CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Cash Flows From Operating Activities:
Net income	$ 72,582	$ 59,060	$ 46,400
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,029	13,205	13,623
Deferred and unrecognized income tax benefit, net	(1,507)	(46)	(1,558)
Excess tax benefit from stock option exercises	(4,002)	(1,834)	(3,435)
Loss on disposal and write-down of assets, net	68	151	164
Stock-based compensation	5,649	5,453	4,796
Changes in operating assets and liabilities:
Trade receivables, net	577	(633)	(597)
Accounts receivable, other	(408)	(105)	(160)
Inventories, net	(26,307)	(20,193)	(5,484)
Prepaid expenses and other	34	3,146	(3,485)
Other assets, net, non-current	(115)	(157)	(149)
Accounts payable	28,286	(2,251)	11,036
Deferred rent, non-current	435	(1,245)	(1,408)
Accrued expenses and other	(1,197)	370	2,175
Net cash provided by operating activities	87,124	54,921	61,918
Cash Flows From Investing Activities:
Purchase of investments, net	(530)	(481)	(529)
Capital expenditures	(21,970)	(12,997)	(10,476)
Proceeds from sale of property and equipment	182	103	122
Net cash used in investing activities	(22,318)	(13,375)	(10,883)
Cash Flows From Financing Activities:
Cash used for stock repurchases	(45,938)	(67,484)	(37,715)
Net payments on capital lease obligations	(181)	(311)	(114)
Excess tax benefit from stock option exercises	4,002	1,834	3,435
Cash used to settle net share equity awards	(3,914)	(1,129)	(144)
Proceeds from options exercised and purchase of shares under the employee stock purchase plan	2,998	5,165	9,329
Net cash used in financing activities	(43,033)	(61,925)	(25,209)
Net increase (decrease) in cash and cash equivalents	21,773	(20,379)	25,826
Cash and cash equivalents, beginning of year	55,138	75,517	49,691
Cash and cash equivalents, end of year	76,911	55,138	75,517
Cash paid during the year for:
Interest	182	277	95
Income taxes, net of refunds	39,878	30,788	31,987
Supplemental Schedule of Non-Cash Financing Activities:
Deferred board compensation	36	60	0
Shares awarded to satisfy deferred board compensation (in shares)	646	1,561	0
Property and plant additions under capital lease	$ 1,040	$ 0	$ 2,403